ORIGINAL RESEARCH
Evaluation of the Haze Reduction
Effect of Innovative City Construction:
Evidence from Pilot Cities in China
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1
School of Finance, Shanghai University of Finance and Economics, Shanghai, 200433, China
2
Faculty of Social Sciences, The University of Hong Kong
Submission date: 2024-04-09
Final revision date: 2024-04-27
Acceptance date: 2024-05-12
Online publication date: 2024-09-23
Publication date: 2025-05-09
Corresponding author
Zhimin Jia
School of Finance, Shanghai University of Finance and Economics, Shanghai, 200433, China
Pol. J. Environ. Stud. 2025;34(4):4177-4187
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ABSTRACT
This article investigates the impact of innovative urban policies on haze pollution. Based on panel
data from 285 prefecture-level cities in China from 2007 to 2018, we use the difference-in-difference
method (DID) to estimate the governance effect of innovative city construction on haze pollution. We
find that the construction of innovative cities can reduce urban haze pollution, but this effect is mainly
reflected in the central region, cities with low innovation capacity, and cities with high FDI and environmental
regulation intensity. Further analysis reveals that the construction of innovative cities can
indirectly promote the suppression of urban haze pollution by adjusting industrial structure, promoting
government policy implementation, improving technological innovation efficiency, and promoting
human capital agglomeration. The conclusion of this article provides evidence for the government to
implement environmental protection and reduce haze pollution.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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